EP 3203380 A1 20170809 - MULTI-MODE AUDIO RECOGNITION AND AUXILIARY DATA ENCODING AND DECODING

Title (en)

MULTI-MODE AUDIO RECOGNITION AND AUXILIARY DATA ENCODING AND DECODING

Title (de)

MULTI-MODUS AUDIO ANERKENNUNG UND AUXILIARY DATEN KODIEREN UND DEKODIEREN

Title (fr)

RECONNAISSANCE AUDIO MULTI-MODE ET CODAGE ET DÉCODAGE DE DONNÉES AUXILIAIRES

Publication

EP 3203380 A1 20170809 (EN)

Application

EP 16207395 A 20131015

Priority

US 201261714019 P 20121015
US 201313841727 A 20130315
EP 13847464 A 20131015
US 2013065069 W 20131015

Abstract (en)

Audio signal processing enhances audio watermark embedding and detecting processes. Audio signal processes include audio classification and adapting watermark embedding and detecting based on classification. Advances in audio watermark design include adaptive watermark signal structure data protocols, perceptual models, and insertion methods. Perceptual and robustness evaluation is integrated into audio watermark embedding to optimize audio quality relative the original signal, and to optimize robustness or data capacity. These methods are applied to audio segments in audio embedder and detector configurations to support real time operation. Feature extraction and matching are also used to adapt audio watermark embedding and detecting.

IPC 8 full level

G06F 17/00 (2006.01); G10L 19/018 (2013.01); G10L 19/02 (2013.01)

CPC (source: EP US)

G10L 19/018 (2013.01 - EP US); G10L 19/028 (2013.01 - US); G10L 25/87 (2013.01 - US); G10L 19/02 (2013.01 - US)

Citation (applicant)

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Citation (search report)

[XI] EP 2362387 A1 20110831 - FRAUNHOFER GES FORSCHUNG [DE]
[XI] BONEY LAURENCE ET AL: "Digital watermarks for audio signals", 1996 8TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO 1996), IEEE, 10 September 1996 (1996-09-10), pages 1 - 4, XP032770216, ISBN: 978-88-86179-83-6, [retrieved on 20150408]
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Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

US 2014108020 A1 20140417; US 9401153 B2 20160726; EP 2907044 A2 20150819; EP 2907044 A4 20160706; EP 3203380 A1 20170809; EP 3203380 B1 20220504; US 10026410 B2 20180717; US 2017133022 A1 20170511; WO 2014062688 A2 20140424; WO 2014062688 A3 20140619

DOCDB simple family (application)

US 201313841727 A 20130315; EP 13847464 A 20131015; EP 16207395 A 20131015; US 2013065069 W 20131015; US 201615220209 A 20160726